GCM
SUM

Greenland Capital Management’s Summit Materials, Inc. Class A Common Stock SUM Stock Holding History

Greenland Capital Management’s Portfolio SUM Stock Details SUM Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Shares
Change % 		Capital Flow Portfolio Weight Portfolio Position
2025
Q1 		– Sell
-32,316
Closed -$1.64M – 401
2024
Q4 		$1.64M Buy
+32,316
New +$1.64M 0.26% 76